Commissioning Site Manager, Data Centers

About Fluidstack At Fluidstack, we’re building the infrastructure for abundant intelligence, partnering with leading AI labs, governments, and enterprises to unlock compute at the speed of light.

We are seeking a Commissioning Site Manager, Data Centers with experience leading chilled water, HVAC, Electrical Systems, BMS, EPMS, and overall commissioning efforts for our high‑performance Data Centers. The role requires a deep understanding of pre‑commissioning and commissioning across all commissioning phases (Level 1‑5) and requires stakeholder coordination as the Owner’s Commissioning Site Manager for general contractors, designers, and vendors across multiple projects/sites.

• Knowledge & experience with ASHRAE or BCxA commissioning guidelines preferred.
• Knowledge & experience with applicable mechanical testing, balancing, flushing, pressure testing, and startup procedures for mission‑critical infrastructure.
• Be knowledgeable with commissioning of equipment listed below and not limited to:
  Chillers, Cooling Towers, Dry Coolers, Pumps, CRAH Units, CRAC Units, Air Handling Units (AHU), Make‑Up Air Units (MAU), Computer Room Ventilation Systems, Heat Exchangers, Expansion Tanks, Pressurization Units, Water Treatment Systems, Piping Distribution Systems, Control Valves, Variable Frequency Drives (VFDs), Building Management System (BMS), HVAC Control Systems, Leak Detection Systems, Fuel Oil Transfer Systems related to mechanical plant operation, and associated mechanical control sequences.
• The ideal candidate shall possess theoretical and practical knowledge in the commissioning, testing, troubleshooting, and operation of mechanical systems and related controls.
• Testing & Validation:
  Conducting pre‑site testing and on‑site functional testing, flushing and pressure testing verification, sequence of operations validation, and mechanical performance checks.
• Troubleshooting:
  Diagnosing and resolving issues during startup and providing ongoing system support.

• Knowledge & experience with ASHRAE or BCxA commissioning guidelines preferred.
• Knowledge & experience with Inter National Electrical Testing Association (NETA) test specifications.
• Be knowledgeable with commissioning of equipment listed below and not limited to:
  Generator, Generator Paralleling Switchgear, High / Medium / Low Voltage Transformer (XFMR), Uninterruptible Power Supply (UPS Systems), Battery Systems, High / Medium / Low Voltage Switchgear (SWGR), Low Voltage Main Switchboards (MSB), PLC Control, Automatic and Semi‑Automatic Switching Controls, Electrical Power Monitoring System (EPMS), Automatic Transfer Switch (ATS), Static Transfer Switch (STS), Power Distribution Unit (PDU), Busways, Remote Power Panel (RPP), Grounding Systems, Lighting Control Systems
• The ideal candidate shall possess theoretical and practical knowledge in the commissioning, testing and troubleshooting of electrical systems and related controls.
• Will be expected to assess and test at a high technical level. This role requires the candidate to have technical competency, organizational skills, and good communication skills.
• Testing & Validation:
  Conducting pre‑site testing and on‑site functional testing, electrical checks, and mechanical adjustments.
• Troubleshooting:
  Diagnosing and resolving issues during startup and providing ongoing system support.

• Knowledge of control systems and electrical systems experience is a plus.
• BSc/MSc in Engineering with 5 or more years of mission‑critical project experience, or relevant and applicable industry experience.
• Minimum of 5 or more years of experience in hyperscale Data Center commissioning with mission‑critical project experience, or relevant and applicable industry experience.

Base salary range: $160,000 - $200,000 per year, depending on experience, skills, qualifications, and location. Total compensation may also include equity in the form of stock options.

Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.